You're seeing just the function new, go back to Binance.Ticker module for more information.
Link to this function

new(map_or_kwlist, opts \\ [])


new(ExConstructor.map_or_kwlist(), Keyword.t()) :: %Binance.Ticker{
  ask_price: term(),
  bid_price: term(),
  close_time: term(),
  count: term(),
  first_id: term(),
  high_price: term(),
  last_id: term(),
  last_price: term(),
  low_price: term(),
  open_price: term(),
  open_time: term(),
  prev_close_price: term(),
  price_change: term(),
  price_change_percent: term(),
  volume: term(),
  weighted_avg_price: term()